<template>
  <Dialog v-model="dialogVisible" title="题库导入" width="400">
    <el-upload
      ref="uploadRef"
      v-model:file-list="fileList"
      :action="importUrl"
      :auto-upload="false"
      :disabled="formLoading"
      :headers="uploadHeaders"
      :limit="1"
      :on-error="submitFormError"
      :on-exceed="handleExceed"
      :on-success="submitFormSuccess"
      accept=".xlsx, .xls"
      drag
    >
      <Icon icon="ep:upload" />
      <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
      <template #tip>
        <div class="el-upload__tip text-center">
          <span>仅允许导入 xls、xlsx 格式文件。</span>
          <el-link :underline="false" style="font-size: 12px; vertical-align: baseline" type="primary" @click="downloadTemplate">
            下载模板
          </el-link>
        </div>
      </template>
    </el-upload>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import { getAccessToken, getTenantId } from '@/utils/auth'
import download from '@/utils/download'
import * as CatStoreApi from '@/api/pm/catstore'

defineOptions({ name: 'PmCatStoreImportForm' })

const message = useMessage()

const dialogVisible = ref(false)
const formLoading = ref(false)
const uploadRef = ref()
const importUrl = CatStoreApi.getImportUrl()
const uploadHeaders = ref()
const fileList = ref([])

const open = () => {
  dialogVisible.value = true
  fileList.value = []
  resetForm()
}
defineExpose({ open })

const emits = defineEmits(['success'])
const submitForm = async () => {
  if (fileList.value.length == 0) {
    message.error('请上传文件')
    return
  }
  uploadHeaders.value = {
    Authorization: 'Bearer ' + getAccessToken(),
    'tenant-id': getTenantId()
  }
  formLoading.value = true
  uploadRef.value!.submit()
}

const submitFormSuccess = (response: any) => {
  if (response.code !== 0 && response.code !== '0') {
    message.error(response.msg || '导入失败')
    formLoading.value = false
    return
  }
  message.success('导入成功')
  formLoading.value = false
  dialogVisible.value = false
  emits('success')
}

const submitFormError = (): void => {
  message.error('上传失败，请您重新上传！')
  formLoading.value = false
}

const resetForm = async (): Promise<void> => {
  formLoading.value = false
  await nextTick()
  uploadRef.value?.clearFiles()
}

const handleExceed = (): void => {
  message.error('最多只能上传一个文件！')
}

const downloadTemplate = async () => {
  const res = await CatStoreApi.downloadCatStoreTemplate()
  download.excel(res as unknown as Blob, '题库导入模版.xls')
}
</script>


